Raspberry Pi LoRa/GPS HAT

SeeedStudioSKU: RB-See-559
Manufacturer #: 113990254

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Description

Lora

  • 168 dB maximum link budget
  • +20 dBm - 100 mW constant RF output vs. +14 dBm high efficiency PA
  • Programmable bit rate up to 300 kbps
  • High sensitivity: down to -148 dBm
  • Bullet-proof front end: IIP3 = -12.5 dBm
  • Excellent blocking immunity
  • Low RX current of 10.3 mA, 200-Na register retention
  • Fully integrated synthesizer with a resolution of 61 Hz
  • FSK, GFSK, MSK, GMSK, LoRa and OOK modulation
  • Built-in bit synchronizer for clock recovery
  • Preamble detection
  • 127 dB Dynamic Range RSSI
  • Automatic RF Sense and CAD with ultra-fast AFC
  • Packet engine up to 256 bytes with CRC
  • Built-in temperature sensor and low battery indicator

GPS

  • Power Acquisition: 25 mA,Power Tracking:20mA
  • Compliant with GPS, SBAS
  • Programmable bit rate up to 300 kbps
  • Serial Interfaces UART: Adjustable 4800~115200 bps,Default: 9600 bps
  • Update rate:1Hz (Default), up to10Hz
  • Protocols:NMEA 0183,PMTK
  • Horizontal Position Accuracy: Autonomous<2.5 m CEP
  • TTFF@-130dBm with EASY:Cold Start<15s,Warm Start <5s,Hot start <1s;TTFF@-130dBm
  • Without EASY: Cold Start<35s,Warm Start <30s,Hot Start <1s
  • Without EASY™:Cold Start<35s,Warm Start <30s,Hot Start <1s.
  • Timing Accuracy:1PPS out 10 ns,Reacquisition Time<1s
  • Velocity Accuracy Without aid<0.1m/s,Acceleration Accuracy Without aid 0.1m/s²
  • Sensitivity Acquisition -148dBm,Tracking -165dBm,Reacquisition -160dBm
  • Dynamic Performance Altitude Max.18000m,Maximum Velocity Max.515m/s,Maximum Acceleration 4G
  • L1 Band Receiver(1575.42MHz) Channel 22 (Tracking) /66 (Acquisition)

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